Birthdays in Music Dec 14 Jan Antonín Koželuh, Czech composer, born in Velvary, Czech Republic (d. 1814) Dec 28 Thaddaus Ferdinand Lipowsky, composer Deaths in Music Dec 13 Gotthard Wagner, German composer, dies at 59 Dec 22 Jean-Joseph Mouret, French composer, dies at 56 1737 Music History by Year 1739